65858420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{419}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 143942400

約数和(自身を除く): 78083980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 271, 290, 419, 542, 580, 838, 1084, 1355, 1676, 2095, 2710, 4190, 5420, 7859, 8380, 12151, 15718, 24302, 31436, 39295, 48604, 60755, 78590, 113549, 121510, 157180, 227098, 243020, 454196, 567745, 1135490, 2270980, 3292921, 6585842, 13171684, 16464605, 32929210, 65858420]

約数ペア:

[(1, 65858420), (2, 32929210), (4, 16464605), (5, 13171684), (10, 6585842), (20, 3292921), (29, 2270980), (58, 1135490), (116, 567745), (145, 454196), (271, 243020), (290, 227098), (419, 157180), (542, 121510), (580, 113549), (838, 78590), (1084, 60755), (1355, 48604), (1676, 39295), (2095, 31436), (2710, 24302), (4190, 15718), (5420, 12151), (7859, 8380)]